will be confirmed, and, you know, brennan never faced any serious opposition. >> chris: senator, the u.s. and our allies will sit down in kazakhstan on tuesday with iran to discuss the nuclear program, for the first time, i was astonished to see this, since last june, all coming at a time when iran is tripling the centrifuge capacity to enrich uranium even faster. what do you think of the chances for any progress there? >> i would be skeptical about the chances for progress, chris. i think the important thing is to remember, iranians respect strength, we have to keep the sanctions on and let them know we will not tolerate them becoming a nuclear weapons power. >> chris: but, they are tripling the centrifuge capacity, the sanctions we put in don't seem to have done anything. >> they are imposing real economic hardship on the country but look at the supreme leader, he's fairly content tus of the west and, we are weak and their capacity to endure hardship is greater than ours and, ultimately he wants a nuclear capability and that is this message we need to counteract and say, we are going t